<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>测试页面</title>
    </head>
    <body>
        <svg width="120" height="120" viewBox="0 0 120 120" xmlns="http://www.w3.org/2000/svg" version="1.1"
        xmlns:xlink="http://www.w3.org/1999/xlink">
            <polygon points="60,30 90,90 30,90" fill="red">
                <animateTransform attributeName="transform" attributeType="XML" type="rotate" from="0 60 70" to="360 60 70"
                    dur="10s" repeatCount="indefinite" />
            </polygon>
        </svg>
    </body>
</html>